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1075720038 = 23892014457
BaseRepresentation
bin100000000011110…
…0010111101100110
32202222011020110220
41000013202331212
54200341020123
6254424225210
735441320011
oct10007427546
92688136426
101075720038
11502241428
1226030b206
13141b2c443
14a2c1c378
156468bce3
hex401e2f66

1075720038 has 16 divisors (see below), whose sum is σ = 2175614640. Its totient is φ = 354544256.

The previous prime is 1075720031. The next prime is 1075720081. The reversal of 1075720038 is 8300275701.

It is a junction number, because it is equal to n+sod(n) for n = 1075719990 and 1075720008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075720031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006695 + ... + 1007762.

It is an arithmetic number, because the mean of its divisors is an integer number (135975915).

Almost surely, 21075720038 is an apocalyptic number.

1075720038 is an abundant number, since it is smaller than the sum of its proper divisors (1099894602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1075720038 is a wasteful number, since it uses less digits than its factorization.

1075720038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014551.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 1075720038 is about 32798.1712599956. The cubic root of 1075720038 is about 1024.6284714966.

Adding to 1075720038 its reverse (8300275701), we get a palindrome (9375995739).

The spelling of 1075720038 in words is "one billion, seventy-five million, seven hundred twenty thousand, thirty-eight".

Divisors: 1 2 3 6 89 178 267 534 2014457 4028914 6043371 12086742 179286673 358573346 537860019 1075720038